"Dave is among today’s most original and creative thinkers on the complex and evolving relationships between mankind and nature."
John Waldman (City University of New York)

"Has his finger on the pulse"
TT Williams

"One of the best field ornithologists I've worked with"
Andre Dhondt (Cornell University-Lab of O)

"Dave and his wife have done more than any other to find the links between the biodiversity and the human diversity of New York City. They're the crack in the sidewalk through which all green things grow."
E.J. McAdams (NYC Audubon - Executive director)

"Dave is a true anarchist. Reminds me of Jim Carrey in Ace Ventura. He even wears the same Hawaiian shirts."
Eloy Rodriguez (Cornell)

"The David Attenborough of Urban ecology"
Theodore Kheel

"David n'arrive pas à se taire"
Nicolas Hulot

"Does good work, creative work, necessary work, honorable work. A good storyteller, with important stories to tell. Loves the world we've been given as a gift and really good at sharing that love with others."